1 c. white sugar
1 c. brown sugar
1 c. shortening
1 c. oil
1 egg, beaten
1 tsp. vanilla
1 tbsp. milk
4 c. unsifted flour
1 tsp. cream of tartar
1 tsp. salt
1 tsp. baking soda
1 lg. pkg. chocolate chips

Mix all ingredients in given order with an electric mixer. Bake in 350 degree oven for 12-12 minutes. Yield: 8 dozen.